BoilerFaultCodesVokera A10 Fault Code
The Vokera A10 fault code means: your boiler's electronic memory chip has developed a software or communication fault, preventing the system from running safely.. It appears on 1 Vokera model in our database.
Technical description: EEPROM error
What causes the Vokera A10 fault?
This fault occurs when the boiler's internal memory chip, which stores critical operating instructions, fails to communicate with the main control board. The most common reason is a permanent electronic failure within the circuitry or a corrupted data file that prevents the boiler from identifying its own configuration. Because the system can no longer verify its safety parameters, it shuts down completely to prevent any malfunction.
Engineer required
This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.
Find a Gas Safe engineer
Search the official register for a qualified engineer in your area.
Gas Safe Register →Vokera models that show the A10 fault code
Click a model for the full fault code list and model-specific repair notes.
Source
Vokera A10 fault code information on this page is sourced and cross-checked against the official Vokera service / installation manuals for each affected model.
Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 27 April 2026